So, don't expect a proper intersection with Y-axis.įor example, for a line chart, the vertical (Value) axis crosses the horizontal (Category) axis at a non-zero position - see the example above. Excel treats the Category axis values for all other chart types as the list to calculate the trend and its formula, where n is the number of text elements on the axis.Īttention! Excel takes the first value as x = 1, not x = 0 as usual. Excel generates a mathematically correct trend line using data values only for the XY scatter plot because the Y-axis and the X-axis are real numeric values for this type of chart.When creating a trend line, you should remember that Excel treats any data along the axes as numbers:.You cannot add a trendline for 3-D or stacked charts, pie, radar, and similar. Click the Insert tab along the top ribbon, then click the first chart option under Insert Scatter in the Charts group. In Excel, trendlines can be added for 2-dimensional charts only: a 2-D area, bar, line, column, stock, scatter, or bubble chart. Step 1: Create the Data First, let’s create some data to work with: Step 2: Create a Scatterplot Next, highlight cells A2:B17.Excel makes adding a trend line to a chart quite simple.
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